Source: capnproto
Version: 1.1.0-2
Severity: important
Tags: security upstream
X-Debbugs-Cc: [email protected], Debian Security Team <[email protected]>

Hi,

The following vulnerabilities were published for capnproto.

CVE-2026-32239[0]:
| Cap'n Proto is a data interchange format and capability-based RPC
| system. Prior to 1.4.0, a negative Content-Length value was
| converted to unsigned, treating it as an impossibly large length
| instead. In theory, this bug could enable HTTP request/response
| smuggling. This vulnerability is fixed in 1.4.0.


CVE-2026-32240[1]:
| Cap'n Proto is a data interchange format and capability-based RPC
| system. Prior to 1.4.0, when using Transfer-Encoding: chunked, if a
| chunk's size parsed to a value of 2^64 or larger, it would be
| truncated to a 64-bit integer. In theory, this bug could enable HTTP
| request/response smuggling. This vulnerability is fixed in 1.4.0.


If you fix the vulnerabilities please also make sure to include the
CVE (Common Vulnerabilities & Exposures) ids in your changelog entry.

For further information see:

[0] https://security-tracker.debian.org/tracker/CVE-2026-32239
    https://www.cve.org/CVERecord?id=CVE-2026-32239
    
https://github.com/capnproto/capnproto/security/advisories/GHSA-qjx3-pp3m-9jpm
[1] https://security-tracker.debian.org/tracker/CVE-2026-32240
    https://www.cve.org/CVERecord?id=CVE-2026-32240
    
https://github.com/capnproto/capnproto/security/advisories/GHSA-vpcq-mx5v-32wm
[2] 
https://github.com/capnproto/capnproto/commit/2744b3c012b4aa3c31cefb61ec656829fa5c0e36

Please adjust the affected versions in the BTS as needed.

Regards,
Salvatore

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